Barrel-hoop.



E. B. HOLMES.

BARREL HOOP.

APPLICATION FILED NOV. 22. 1912.

Patented Apr. 4, 1916.

Li 5 m w INVENTUi-Q" a QWMW AT T tmmm'a no STATES PATENT ornion.

EDWARD B. HOLMES, OF BUFFALO, NEW YORK, ASSIGNOR TO E. B; .HOLMF$ MACHINERY COMPANY, OF BUFFALO, NEW YORK, A CORPORATION OF NEW YORK.

BARREL-HOOP.

Specification of Letters Patent.

To all whom it may concern.

Be it known that I, EDWARD B. HOLMES, a

citizen of the United States, residing at Buffalo, in thecounty of Erie and State of New York, have invented new and useful Improvements, in Barrel-Hoops, ofjwhich' the following is a specification.

This invent-ion relates to a barrel hoop which is constructed of sheet metal. Heretofore barrel hoops of this character have been supplied to the trade in the form of a split ring, strip or band for convenience in -nesting or packing the same so that they adapted to register and receive rivets ap} plied thereto by the cooper. This practice is undesirable for the reason that the holes the size of the hoop may be when thus formed in the hoop at the mill definitely determine the diameter of the hoop and the latter therefore does not always properly fit the particular part of the barrel for which the same is intended isasmuch as the diameter of that part of the barrel receiving a particular hoop frequently varies in different barrels. The practice of perforatingthe ends of the hoop and connecting the same by means of rivets is also objectionable for the reason that the removal of the stock of material in formingsuch openings weakens the hoop and renders it liable to give way under strains to which the same is subjected while driving the hoop on the barrel or while the barrel is handled when filled.

It is the object of this invention to provide improved means for connecting the ends of .a metal hoop so that the connection between these ends can be effected by the cooper and so determined that it will accurately fit the part of the barrel for which it is desi ed.

A further object of this invention is to provide such a fastening for connecting the ends of a metal hoop which will not weaken the same at the fastening but rather strengthen the same and also to effect this fastening by material derived from the hoop itself instead of for this purpose. Another object of this invention is to rovide means for interlocking the ends of the hoop with each other in such manner that increased resistance is ofi'ered to the strains to which the same is-su bjected so: that the same is not liable to give way while in use. In the accompanying "drawings: Figure l is a perspective view of a barrel hoop prov ded with a fastening between the ends thereof which is constructed in accordance with my invention. Fig. 2 is a top plan view thereof, on an enlarged scale, showing one form of corrugations for-resisting longitudinal strains to which the hoop is subected. Fig. fife-is a longitudinal section, on an enlarged scale, taken in line 3 3, Fig. 1. Fig. 4 is a top plan view of the hoop. showing a slightly different form of corrugations on the ends of the hoop from those shown in Fig. 2. Fig. 5 is a vertical transverse section, on an enlarged scale taken, in line 5--5, Fig. 1. Fig. 6 is a side elevation, on an enlarged scale, of the overlapping ends of the hoop viewed from the side opposite to that shown in Fig. 1.

Similar characters of reference indicate corresponding parts throughout the several views.

1 represents the body of the hoop which employing separate rivets is constructed of a strip or band of -sheet metal in any suitable way and preferably provided at its upper edge with a longitudinal head 2 in the usual and well known manner of constructing barrel hoops of this type. These hoops are manufacturedat the rolling mill with their ends unperforated and disconnected from each other so as to produce in effect split rings which can be readily nested or bundled compactly for econom in shi 1h or storin the same.

3 Dig g g The connection etween the ends of the hoops is preferably effected at the cooper shop preparatory to applying the same to. a barrel at which timethis connection can be made in such manner that the size of the hoop is such that itiwill accurately fit the barrel forwhich it is intended. In connecting' the ends of the hoop in accordance with my invention these ends are first lapped one lengthwise over the other to such an extent that the hoop diameter or circumference.

is of the proper or desired After the ends of the hoop have been overlapped the same are connected with each other by one or more hollow or tubular rivets which are constructed in accordance with my invention, three of such rivets 3, 4:, 5 being shown in Figs. 1, 3 and 6, for example, in a row lengthwise of the hoop. Each of these rivets is constructed integrally of the metal of the overlapping parts of the hoop by forming holes or openings in the corresponding parts of the hoop so that the metal displaced in the formation of these openings is bent laterally from the edge of the opening in the form of circular eyelets each of which remains connected at one of its edges with the respective part of the body of the hoop. The eyelets of each rivet are preferably formed at the same time while the ends of the hoop are lapping over each other and thereby cause an eyelet 6 of comparatively large diameter to be produced on one end of the hoop and an eyelet 7 of comparatively small diameter on the other end of the hoop which is arranged within the large eyelet. The free edge of each eyelet is bent radlally outward in the form of a flange so as to hold the two ends of the hoop against separation in the direction of the axis of the rivets for which purpose the flange 8 of the large eyelet is bent so as to engage with the side of the adjacent hoop end of which it forms a part while the flange 9 of the other or small eyelet'is bent so as to engage with the outer side of the flange of the large eyelet, as shown in Figs. 3, 5 and 6. After both eyelets of each rivet have been thus formed on the hoop ends and their flanges have been clenched or upset, the two ends of the hoop are securely and rigidly connected and held against displacement in all directions relatively to each other.

By thus forming the eyelets of the rivets in one piece with the hoop ends the openings in the hoop resulting from such formation do not present a cutting edge nor is the same weakened and rendered liable to crack, break or give way at this point but on the contrary the openings of the hoop ends are doubly reinforced by the eyelets so that a joint is produced between the hoop ends which is much stronger than a fastening consisting of a separate rivet passing through openings formed in the hoop ends by severing the metal therefrom and leaving sharp edges which engage with the separate rivet. Furthermore, this integral formation of the eyelets with the hoop effects a material reduction in the cost of making the hoops inasmuch as no separate rivets are required and the hoops can be handled and the ends connected more rapidly on this account. Moreover the hoop may be readily adjusted by the cooper to suit the'particular barrel for which the same is intended before fastening the ends of the hoop together, thereby insuring proper placing of the hoop about the barrel.

It is desirable to make the eyelets of the rivets as large as possible to secure the maximum holding surface but it has been found in practice that when the rivet holes are made comparatively large that the metal is liable to break or crack transversely from the openings to the edge of the hoop. It has also been found that when the rivet openings are all of the same size and in line that the metal is liable to crack lengthwise owing to the points of cleavage being all in line. To avoid this. the eyelets of the rivets 3, 5 at opposite ends of the series are made of relatively small diameter while the eyelets of the central or intermediate rivet 4 are of somewhat larger diameter, as shown in Figs. 1, 3 and 6, thereby distributing the cleavage points of the rivet eyelets over a larger area of the hoop and preventing the formation of fractures from one rivet to another.

In order to further resist the tendency to pull the ends of the hoop apart lengthwise under the strains to which the same is subjected when driven on the barrel or while the barrel is being handled the overlapping end parts of the hoop are corrugated transversely'and the corrugations of both ends interlock with each other, thereby adding frictional resistance to the mechanical connection between the hoop ends furnished by the eyelet rivets and further guarding against opening of the joint in the hoop under the strains to which the same is 11- able to be subjected. As shown in Figs. 1 and 2, each of these corrugations is so con structed that one of its sides is comparatively abrupt, as shown at 10, while the other side 11 is less abrupt or slopes at a lesser angle, thereby producing a pro nounced mechanical as well as a frictional interlock between the interengaging corrugations of both hoop ends. If desired the transverse corrugations of the hoop ends may be of regular Wavy form so that both sides of each corrugation are alike, as shown at 12 in Fig. 4.

It will be noted that in Figs. 1 and 6 each of the rivets connecting the overlapping ends of the hoop has at least one of its lateral sides out of line in a direction lengthwise of the hoop relative to the companion lateral side of an adjacent rivet. whereby the lines of strain or rupture which are likely to occur in the hoop when the same is driven on the barrel are spread transversely over a greater area transversely of the hoop.

From the foregoing it will be obvious that my improved means for connecting the ends of the metal hoop permits not only of effecting a material economy in cost of manufacture and labor but the same also produces a much stronger hoop and one that can be accurately fitted to the barrel intended to receive the same.

I claim as my invention:

1. A barrel hoop constructed of a strip of sheet metal and having its ends overlapping and united by means which comprise a plurality of rivets arranged side by lapping and united by means which comprise a plurality of rivets arranged in a row lengthwise of the strip, the rivets at opposite ends of the row being of small diameter and the central rivet intermediate the end rivets being of large diameter and the axes of the several rivets being arranged on the same longitudinal line;

3. A barrel hoop constructed of a strip of sheet metal and having its ends overlapping and united and provided with transverse corrugations which interlock with each other, each of said corrugations having one of its sides more abrupt than the other side and means for holding the ends of'the strip against the lateral displacement relatively to each other.

Witness my hand this 19th day of November, 1912.

EDWARD B. HOLMES. \Vitnesses:

AoNEs E. BAKER, JENNIE F. Rocnn. 

